Home / 281,214.40-421,821.60-94,225.90

Finding the Fourth Proportional to 281,214.40, 421,821.60 and 94,225.90

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Solution

The fourth proportional to 281,214.40, 421,821.60 and 94,225.90 is: 141,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,214.40 : 421,821.60 = 94,225.90 : x
  2. Step 2: Convert to fraction form
    281,214.40/421,821.60 = 94,225.90/x
  3. Step 3: Cross multiply
    281,214.40x = 421,821.60 × 94,225.90
  4. Step 4: Simplify right side
    281,214.40x = 39,746,519,899.44
  5. Step 5: Solve for x
    x = 39,746,519,899.44/281,214.40
  6. Step 6: Final answer
    x = 141,338.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.